Best-known celebrity beards

There's "Grizzly Adams" star Dan Haggerty, the "Duck Dynasty" guys and ZZ Top -- and who can forget Brad Pitt's scraggly growth circa 2009? Take a look at some of our favorite celebrity beards, past and present.

Brian Wilson

(Credit: Getty Jeff Gross)

Brian Wilson at Dodger Stadium on October 14, 2013 in Los Angeles, California.

Jim Carrey

(Credit: Getty Images / Charley Gallay / Stringer)

Actor Jim Carrey poses for a photo during the arrival for the Los Angeles County Museum of Art (LACMA) 50th anniversary gala in Los Angeles on April 18, 2015.

Chris Stapleton

(Credit: Getty Images / David Becker)

Country singer Chris Stapleton poses at the 51st Academy of Country Music Awards in April 2016.